There are three fun Windows Phone 7 apps that have been floating around from Microsoft Research, all of these are the fantastic price of free! So lets take a look and give your new WP7 something fun to do today!

Want a fun way to play with photos? Or for reasons like privacy, would you like an easy way to hide a person’s face before sharing a photo? Then Face Mask is the right app for you.

It offers a wide selection of masks/stickers to apply to your favorite photos. Face Mask is a magic tool that enhances your pictures with cool effects. Just take a picture, and add a mask either by a tap or through a shaking gesture.

Photos can be saved to your photo library or shared directly on Facebook, Twitter or Sina Weibo. Main Features: • Multiple face detection enabled • More than 20 stickers/masks in the library • Shake your phone to randomly change the mask • Resize, rotate, and position the mask • Share your photos on Facebook, Twitter or Sina Weibo